Yvonne Siew



Hong Kong SAR

Yvonne specialises in derivatives and structured finance and is qualified in Hong Kong and England and Wales.

Yvonne has a broad finance and transactional regulatory practice. Yvonne has extensive experience on a wide range of structured finance transactions including repackagings, total return swap structures, structured equity derivatives trades (including margin loans and collar financing), credit-enhanced bond structures, covered bonds and other asset-backed securities and structured securities for leading banks, investment houses and private capital houses. She has also advised on a wide range of OTC derivatives matters relating to ISDA and GMRA documentation (including close-out procedures and collateral structured arrangements). She has advised on OTC derivatives regulatory reform including margin for uncleared swaps, mandatory clearing and reporting as well as iBOR remediation in Hong Kong and other APAC jurisdictions.

In addition, Yvonne has experience in advising in relation to complaints of mis-selling regarding derivatives products and other derivatives disputes. On the regulatory front, Yvonne’s experience includes advising on disclosure of substantial shareholder interests and market misconduct in Hong Kong.


Pro bono

Advising on the application for refugee status in a third country jurisdiction.

Speaking Engagements

  • She regularly presents at and participates in industry conferences and other events, including ISDA

Leadership Positions And Professional Affiliations

Law Society, Hong Kong
Yvonne Siew offers strong communication and is able to distil client concerns and provide commercial solutions targeted at non-lawyers.
Chambers, 2024
Yvonne is great; she's a phenomenally good lawyer.
Chambers, 2024


  • Leading Individual: Structured Finance and Securitisation (Hong Kong), The Legal 500, consecutive years



Admitted as solicitor, England and Wales, 1996

Admitted as solicitor, Hong Kong, 2009


MA, Law, University of Cambridge, 1991

BCL, Oxford University, 1992